"It was intended as a military tool to aid in code-breaking on foreign intelligence targets. Felicity Smoak works at Queen Consolidated and she said they were working on something similar... but Oliver Queen shut it down once he realized what it could be used for. To be modified to open a bank vault. Any bank vault."
The Arrow[src]

The Skeleton Key is a device that can open any bank vault.


William Tockman employed hired guns to steal the device from Kord Enterprises. He used it briefly to unlock a vault of a bank illegally, but was stopped by the Arrow in time.[1]



Season 2


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